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Unicycle basketball is usually played using 24 inches (610 mm) or smaller unicycles, and using plastic pedals, both to preserve the court and the players' shins. In North America, regular unicycle basketball games are organized in Berkeley, San Luis Obispo, Detroit, Phoenix, Minneapolis, and Toronto.
1903 – A California motorized bicycle ridden by George Wyman became the first motor vehicle to cross the North American continent. [10]1903 – 1962 The "Shaw Manufacturing Co." of Galesburg, Kansas advertises a 241cc chain-drive engine kit (1903–1915) for motorizing a bicycle in "Popular Mechanics" magazine for $90.
A monowheel rider in the 2011 Doo Dah Parade, Columbus, Ohio Hemmings' Unicycle, or "Flying Yankee Velocipede", was a hand-powered monowheel patented in 1869 by Richard C. Hemmings. [1] 1931 Cislaghi Motoruota monowheel, modified by Giuseppe Govetosa. A monowheel or uniwheel is a type of one-wheeled, single-track vehicle.
Drais invented his Laufmaschine (German for "running machine") in 1817, that was called Draisine (English) or draisienne (French) by the press. Karl von Drais patented this design in 1818, which was the first commercially successful two-wheeled, steerable, human-propelled machine, commonly called a velocipede , and nicknamed hobby-horse or ...
The first unicycle speed hub for mass production was prototyped in 2004. [8] The first unicyclists were able to test it in 2005. [ 9 ] This hub is equipped with 2 gears: a normal gear (1 wheel revolution for 1 pedal revolution) and a geared gear with a ratio of 17/11 (i.e. approximately 1.55 wheel revolutions per pedal revolution).
A hand-power monowheel was patented in 1869 by Richard C. Hemming [2] with a pedal-power unit patented in 1885. [3] Various motorized monowheels were developed and demonstrated during the 1930s without commercial success [4] and Charles F Taylor was granted a patent for a "vehicle having a single supporting and driving wheel" in 1964 after some 25 years of experimentation. [5]
It was the first bicycle that was suitable for women, and as such became the "freedom machine" (as American feminist Susan B. Anthony called it), [11] giving women "a feeling of freedom and self-reliance". [12] The Svea Velocipede by Fredrik Ljungström and Birger Ljungström, exhibited at the Swedish National Museum of Science and Technology
The results of a tabulation are electrically coupled with a sorter while displayed on clock-like dials. The concept of automated data processing had been born. In 1890, Herman Hollerith invented the mechanical tabulating machine, a design used during the 1890 Census which stored and processed demographic and statistical information on punched ...